Droplet impact dynamics over a range of capillary numbers and surface wettability: Assessment of moving contact line models and energy budget analysis

ND Patil, J Shaikh, A Sharma, R Bhardwaj - Physics of Fluids, 2022 - pubs.aip.org
Bouncing and non-bouncing impact dynamics of a droplet on a solid surface are studied
experimentally and numerically. High-speed visualization and an in-house dual-grid level …

Pinning and depinning dynamics of an evaporating sessile droplet containing mono-and bidispersed colloidal particles on a nonheated/heated hydrophobic substrate

S Gupta, MR Thombare, ND Patil - Langmuir, 2023 - ACS Publications
The present study is primarily focused on the coupled effects of substrate heating, colloidal
dispersion, and particle size variation on the contact line (CL) pinning–depinning dynamics …

Size-dependent dried colloidal deposit and particle sorting via saturated alcohol vapor-mediated sessile droplet spreading

S Chatterjee, JS Murallidharan, R Bhardwaj - Langmuir, 2022 - ACS Publications
We experimentally and theoretically investigate a distinct problem of spreading, evaporation,
and the associated dried deposits of a colloidal particle-laden aqueous sessile droplet on a …

Isothermal and non-isothermal spreading of a viscous droplet on a solid surface in total wetting condition

PG Bange, G Upadhyay, ND Patil, R Bhardwaj - Physics of Fluids, 2022 - pubs.aip.org
We study the isothermal and non-isothermal spreading of viscous silicone oil droplets on a
glass surface in total wetting condition. In particular, the effects of viscosity, impact velocity …

[HTML][HTML] Joint effect of air flow and substrate wettability on evaporation of a sessile droplet on a solid surface

LK Mahato, R Bhardwaj - Results in Surfaces and Interfaces, 2023 - Elsevier
We study the evaporation of microliter droplets of water on hydrophilic, hydrophobic, and
superhydrophobic substrates subjected to airflow around them. While there is a large body …

Flow dynamics and size-based sorting of bidispersed colloidal particles in evaporating sessile water droplets: substrate heating and wettability effects

S Gupta, MR Thombare, ND Patil - Sādhanā, 2024 - Springer
The present work investigates the size based self-sorting behavior of particles near the
contact line (CL) region of an evaporating sessile aqueous droplet containing bidispersed (1 …

Approaches to Determine the Geometric Parameters of Liquid Droplets Using Digital Image Analysis

NA Nazarov, IN Baranov, NB Miskiv… - … Instrumentation and Data …, 2024 - Springer
Spray cooling, droplet interaction with complex surfaces, and droplet evaporation from solid
walls are promising areas of research. These experiments require automated digital image …

[PDF][PDF] МЕТОДЫ ОПРЕДЕЛЕНИЯ ГЕОМЕТРИЧЕСКИХ ПАРАМЕТРОВ КАПЕЛЬ ЖИДКОСТИ НА ОСНОВЕ АНАЛИЗА ЦИФРОВЫХ ИЗОБРАЖЕНИЙ

ЕМ Старинская - АВТОМЕТРИЯ, 2024 - iae.nsk.su
В настоящее время актуальными задачами являются исследования в области
спрейного охлаждения, взаимодействия капель со сложноструктурированными …

Evaporation Dynamics of Bidispersed Colloidal Suspension Droplets on Hydrophilic Substrates Under Different Relative Humidity and Ambient Temperature

MR Thombare, S Gupta, ND Patil - … on Fluid Mechanics and Fluid Power, 2022 - Springer
The present work investigates the evaporation of droplets containing bidispersed colloidal
particles (0.5 and 1 μm) on hydrophilic glass substrates under different ambient air …

[PDF][PDF] Results in Surfaces and Interfaces

LK Mahato, R Bhardwaj - researchgate.net
We study the evaporation of microliter droplets of water on hydrophilic, hydrophobic, and
superhydrophobic substrates subjected to airflow around them. While there is a large body …